Skip to main content
. 2020 Nov 24;17(23):8738. doi: 10.3390/ijerph17238738

Table 2.

Demographics and sample characteristics (n = 39).

Variables N (%) or M (±SD)
Sex Male 33 (84.6)
Female 6 (15.4)
Working type Shiftwork 24 (61.5)
Daywork 15 (38.5)
* Rank 3rd~5th Firefighter 5 (12.8)
1st~2nd Firefighter 5 (12.8)
Lieutenant 11 (28.2)
Captain 9 (23.1)
Battalion Chief 7 (17.9)
Deputy Chief 2 (5.1)
Years of Service (year) 9.98 ± 7.62
Duration of Shift Work (year) 16.54 ± 10.14

* Ranks: 3rd~5th Firefighter, 1st~2nd Firefighter: basic grade firefighter; Lieutenant: Officer of a single team (company) and/or a fire station; Captain: Head of safety center team; Battalion Chief: Fire department team leader or director of the safety center; Deputy Chief: Head of municipal and provincial headquarters, chief of fire department.